11 best api of the tubes

Product description

As we work to deliver an amazing product, it had been brought to our attention that some racks were impacted by a gluing issue. The racks have been redesigned to create more surface area for the adhesive to bind the hand-assembled parts - this we trust will take care of the gluing issue that afflicted some racks in the past.

• Will safely hold 6 test tubes - no more trying to use generic racks with holes too large!

• Compatible with both API and Tililly Concepts 5 ml aquarium test tubes (13mm diameter)

• Made of shatter-resistant acrylic; hand-assembled

• Rinse and dry your test tubes on the drying poles

• Complements all API freshwater and saltwater tests

• Please note: test tubes are NOT included in this offer.

We are aware that some customers would prefer longer drying posts, however, there were a few reasons we decided against this in the design phase:

With the racks being handmade, the poles are more prone to detaching/ breaking in transit through the e-commerce chain even when well-packaged (more packaging = more plastic waste as this product requires bubble bags).

Secondly, the tubes dry completely within 48 hours even if they touch the bottom of the rack as air does get through - and this is the conservative time it takes on very humid days when drying takes longer.

Please do not place rack inside a cupboard when drying test tubes.

User questions & answers

Question:	Mine arrived broken. Has everyone else’s test tube rack held up ok over time? Just wondering how durable it is
Answer:	The cloth is a professional polishing cloth designed to clean and polish the finest gold, silver or platinum jewelry and watches. It has approval and endorsement of many fine jewelers worldwide. Best cloth I have every used. Have not used for your specific need but would not hesitate to do so.

Product description

Size: Total size: 138*63*90MM/5.4 x 2.5 x 3.5 inch Slot diameter: 16 Mm/0.63 inch Only rack, other items are not included Package: 1 x Test Tube Rack

• Made of high quality plastic PMMA material in clear color, designed with 12 sockets, two layers, each socket is 16mm/0.63" diameter.
• Ideal for laboratory, can provide clear view of the tube contents and convenient insertion and removal of tubes.
• For 10ml Test Tube.
• Test tube set for laboratory and party, holding the tube firmly, avoiding the test tube damage effectively
• Works great to hold lip balm tubes to be filled and to cool so they don't tip over and spill.

User questions & answers

Question:	Please be clear with answer. Your picture shows the holes will accept a 16mm tube. Confirm. What is the cost of one 12 hole rack/what does 1.49 mean
Answer:	Dear friend Sorry, it maybe not Regards Preamer
Question:	are these heat resistant
Answer:	These fit 10ml tubes
Question:	How will 16mm tube fit
Answer:	Hello Delores, Thank you for your interest in our product. This rack is detachable, therefore, you would be able to take off the top slide.
Question:	Hi. My test tubes are exactly 16 x 100mm. Will they fit
Answer:	No, it is light duty plastic I would not trust for an autoclave.

Product description

Package Includes: 10 x Test Tubes



Material: high quality polypropylene



Specific parameters: height 95mm, diameter 15.5mm

• Good sealing cap, samples will not volatilize.
• Smooth wall and good transparency.
• Low temperature, long - term freezing, product with 1-10ml scale, easy to read liquid volume
• Resistance to low temperature, can be frozen for a long time.
• Used in hospitals, epidemic prevention station, schools, scientific research laboratory, etc

User questions & answers

Question:	Are the tubes fully transparent like glass? They look a bit cloudy in the photos
Answer:	The cap diameter is about 0.5".
Question:	Will a mentos fit inside
Answer:	3.4".
Question:	What is the internal diameter in mm
Answer:	No they are a sturdy plastic. They have not break on me yet.
Question:	are these graduated? what is the internal diameter at the bottom
Answer:	I would say no, it to narrow.

• Premium Material: our knee high socks are made of 85% cotton，12% nylon12% and 3% spandex with super stretchy, which is soft, comfortable and breathable.
• Elastic Knee High Socks: engineered cuff constructed with lycra rubber, it features highly elasticity and keeps a well wrapping, you can wear it the whole day and won’t feel tight or loose to slide down.
• Thicken Toe Design: thick toe design with precision sewing stitching, it provides full wrap and reduce foot pressure, 10 times wear resistant higher than ordinary socks, no slipping and no blisters.
• Ribbed Upper: loose thread of the upper barrel is designed to be loose and non-slippery, sweat proof materials keeps moisture out, assured your feet odor free, fresh and dry.
• Widely Application: NEVSNEV knee high socks are perfectly fit for daily wear or school wear with either a skirt or shorts, that makes your children looks special and good all the day.

User questions & answers

Question:	What size does 10-15 years fit
Answer:	These socks run small like youth size my sons at the time were 11 & 9.5 & shoe sizes were 5.5 & 6.5 young mens/Bug boys size. The socks definitely didn't fit however they squeezed into socks for the day but came home from school without socks. So 10-15 in this case isnt years rather children's shoe 10-15
Question:	What size shoe would the 10-15 year old socks be
Answer:	About size 4
Question:	what size sock should i order if my son wears a size 13 toddler shoe
Answer:	I ordered the 4-6 years size for my son, who also wears a size 13. They fit perfectly.
Question:	what size sock for a 13 toddlershoe
Answer:	Last size before stepping up to big guys. Generally these are sized by age but occasionally 10-13

Product description

Kimax 12.5mL tube with a long taper. Calibrated to contain. Used to determine the bottom sediment and water in petroleum. Made in accordance with the former specifications of the American Petroleum Institute. (API Standard 2542). Scale, legend and marking spot are durable white ceramic enamel. Referred to as the "Finger" tube. Capacity: 100% (12.5ml). Subdivisions: 0-3% in 0.2% increments; 3-10% in 0.5% increments; 10-50% in 1% increments and at 100%. Dimensions (O.D. x L): 17mm x 118mm. Kimble #: 45170-125.

• Calibrated to contain
• Used to determine the bottom sediment and water in petroleum
• Scale, legend and marking spot are durable white ceramic enamel
• Referred to as the "Finger" tube
• Subdivisions: 0-3% in 0.2% increments; 3-10% in 0.5% increments; 10-50% in 1% increments and at 100%

Product description

API TEST TUBES serve as replacement test tubes for those included in API TEST KITS. Product comes with 24 glass capped test tubes in API box. Test tubes may be used with all liquid API TEST KITS. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.

• Contains one API REPLACEMENT TEST TUBES WITH CAPS For Any Aquarium Test Kit Including API Freshwater Master Test Kit 24-Count Box
• Compatible with any aquarium water test kits including freshwater and saltwater test kit, pH test kit, ammonia test kit, nitrate test kit, reef test kit, calcium test kit and more
• The API test tubes are perfect to replace API Freshwater Master Test Kit tubes, API Saltwater Master Test Kit tubes, API Reef Master Test Kit tubes, API Pond Master Test Kit tubes and any other API Test Kit tubes
• Snap-tight plastic caps
• Use when original tubes have been lost or damaged

User questions & answers

Question:	What size brush for cleaning
Answer:	I do not know, order not for me
Question:	Can these be used to store Isopropyl Alcohol for on to go first aid kit? How big is the tube and is it fragile or strong enough for extended use
Answer:	I have noticed that the caps, while quite appropriate for water parameter test kits, would not be suitable for long-term storage of any liquid. They leak a bit.
Question:	What are the dimensions of the vial? Is there a cheaper alternative? 20 dollars seems like a lot for what we're getting
Answer:	yes there is cheaper alternatives. I just bought plastic and glass ones with the little caps. The API ones however have nicer caps. Have a marking where 5ml is (which takes out guesswork) The ones I bought have no such graduations. So Im back looking at these because I was cheap the first time around. Maybe we should split the box of 24. Like you I have no need for 24 tubes. I need about 6. Dont forget these are glass tubes too. Some of the reagents in the API test kit are caustic and they will react with plastic test tubes (somewhat) I dont know. The them being glass, the caps and the marking that say 5ml make this a perfect match. One of the local fish stores has these for 1 dollar per test tube. I might buy them there too. Hard to say.
Question:	What test tube rack would be best for these
Answer:	I built my own. If you want a cheap hack, get a block of styrofoam and press the top of an open test tube into it at intervals to get the outer diameter perfect. Then cut out the styrofoam to the best depth. Test tubes fit snugly.

Product features

Testing the Waters

In order for fish to thrive, water must be similar to that which could be found in their natural environment. Poor water quality can cause fish stress, illness and even loss. Most common water quality parameters are Ammonia, Nitrite, Nitrate, and pH. All may vary over time and all are invisible to the eye which is why it is important to test weekly. Testing aquarium water weekly will aid in keeping your most important water parameters within the proper range for your aquarium. Choose from a wide range of API testing options, such as our popular FRESHWATER MASTER TEST KIT or 5-IN-1 TEST STRIPS, for accurate water evaluation. Regular testing will help you easily determine your aquarium conditions.

Your API Test Options

Choose the test method that works best for you. Whether you’re a bit pressed for time, or you prefer to measure your parameters on a more in-depth scale, or you only need to test one or two specific parameters, API has what you need!

Dip and Read

Just dip a 5-in-1 TEST STRIP in your aquarium, swirl twice, and compare to our color chart for fast and accurate results.

The Scientific Approach

For more detailed analysis, use the FRESHWATER MASTER TEST KIT, POND MASTER TEST KIT, SALTWATER MASTER TEST KIT, or REEF MASTER TEST KIT for precise readings of parameters.

Pick One (or Two)

Need to check your phosphate levels? What about ammonia? API offers specific test kits to test many different parameters, from general hardness and copper to pH and nitrate. Grab the one you need for a streamlined approach to testing.

Making a Better Underwater World

At API, we understand the rewards and relaxation of fish keeping because we have a passion for fish too. For over 50 years API has developed premium solutions with proven and effective results for your family and nutritionally superior food, because we're dedicated to making a better underwater world.

• High-density foam roller with molded edges
• Ideal for balance, strengthening, flexibility, and rehab exercises
• Made in the USA from molded polypropylene to maintain firmness
• Lightweight, easy to clean and transport
• Measures approximately 36 x 6 x 6 inches (L x W x H)
• An Amazon Brand

User questions & answers

Question:	Does this help minimize the appearance of cellulite
Answer:	No, the only thing that helps with that is weight loss and exercise. You cannot remove cellulite from any single location, it only responds to a general reduction in fat and increased muscle tone. Anyone who tells you otherwise is either ignorant or purposely misleading you. MD.
Question:	Is there a warranty? If so, for how many years is it
Answer:	No warranty, but it is very sturdy. Unless you are beating people over the head with it or body slamming it, it should last you a LONG time.
Question:	Is this good for the lower back
Answer:	Do not foam roll your lower back. You can actually injure yourself badly from doing this. You should only foam roll as far down as your rib cage as it offers support. Majority of physical therapist will tell you not to foam roll your lower back. Anyone that says otherwise is a delusional internet therapist that will be hurting others.
Question:	Is this firm or extra firm
Answer:	I would call it extra-firm, as it has very little give. It's more like a dense, hardened styrofoam than the rubbery foam you might be accustomed to in athletic/physical therapy supplies.

Product features

Multi-Purpose Equipment

The high-density foam roller works with natural body weight for muscle rehab and exercise. Multiple colors and sizes available for your needs.

Restorative Benefits

Use the roller to relive sore muscles, as well as balance, strengthening, flexibility, and rehab exercises. It can be repositioned easily as needed.

Firm, Durable Strength

Made from high-density polyethylene foam with molded edges, the foam roller maintains firmness while providing support for all body types.

Portable & Easy to Clean

The foam roller cleans easily and is light weight for convenient transport from home to gym or physical therapy or yoga studio and back again.

Product description

This sturdy and economical plastic test tube rack has four small 3/4" (20mm) openings and two larger 1-1/16" (25mm) openings on the top plate. The test tube rack has six hemispherical wells and six drying pins. Comes fully assembled.

• 4 x 3/4" (20mm) Tube Holders
• 2 x 1-1/16" (25mm) Tube Holders
• 6 Drying Pegs
• Dimensions: 8" x 2-3/4" x 3" (20cm x 7cm x 8cm)
• Sturdy & Economical

User questions & answers

Question:	Will this work with 5ml test tubes to be able stand up the test tubes and are the drying pins narrow enought to hold the 5ml test tube
Answer:	Yes absolutely our polishing cloth is used by thousands of people on their Pandora Jewelry. Hope that helps and thank you so much for your interest in Simple Shine.

Product description

Wood Test Tube Rack, 6 Tube Capacity, 0.7" (18mm) Holes

Rack

Standard wooden test tube rack



Made of beechwood.

• Multi- purpose uses like Test Tube Stand, Laboratory Holder, Pen Holder, Razor, Toothbrush.
• GREAT FOR TEST TUBE : Displays your favorite chemistry-inspired shot glasses and is also great for keeping your favorite ground spices and spice blends within reach while you cook.
• 6 Slots Strong wooden Test Tube Cups Holder Organizer Rack for Laboratory Exhibition Bar API Test Tube
• Made of high-quality Chinese fir, convenient and beautiful, saves space and is convenient for colorimetric tube placement.
• Holding Capacity- 6 Precision Carved Holes. Polished High Quality Wood.Size:9"x5"x2". Hole Size:0.71(18mm)

Product description

API FILSTAR/NEXX TUBING contains 2 replacement tubes for broken or damaged FILSTAR XP FILTER RENA tubes. Use accordingly. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.

• Contains one API FILSTAR XP TUBING Kink-Free Aquarium Canister Filter Spare Part 1-Count
• Replacement tube for API FILSTAR XP S, M, L, XL (or RENA FILSTAR xP1, xP2, xP3, and xP4) and API NEXX canister filters
• Contains 2 replacement tubing structures for API RENA FILSTAR XP and API NEXX canister filters

User questions & answers

Question:	Is the tubing clear or kind of milky/foggy colored
Answer:	Mine was milky/foggy colored. Not totally clear. But is identical to original tubing that came with canister.
Question:	Is this still the two meter length of tubing that was previously available
Answer:	It's 2 pieces, each is 5ft long
Question:	Hello, Is this the complete gasket replacement set for this filter? Or, is there another which includes additional parts
Answer:	This gasket set covers the lid. But that's all the places where there were gaskets anyway. One gasket is the lip of the canister. One gasket is for the impeller assembly. And the other ones are for the inlet and outlet...I think. It's been a while. The impeller and the canister lip I'm sure of. I'm not 100% on the inlet/outlet. I'm sorry.
Question:	What is the inner diameter of this tube? I need to know to match with an inline heater
Answer:	The inner diameter (ID) is 17mm, NOT 5/8". I have tried using many different 5/8" tube from hardware stores, and there are two consistent issues: 1) that stuff is not nearly as flexible as the original rena/api tubing, and 2) to fit it onto the canister requires a heat gun, and you have to cut it off the filter. If you're like me, and frequently lose siphon during water changes, 5/8" tube is impossible to work with. That's why I'm here buying this, because I've not found anything else that works, and I've tried all of my local (major metro) fish and reef stores.

Product description

Keep your fish healthy and thriving by testing your aquarium water's GH levels regularly with this easy-to-use API GH & KH TEST KIT for freshwater aquariums. Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. Water hardness is a measure of the dissolved mineral content of water. There are two types: the general hardness (GH) and carbonate hardness (KH). When keeping freshwater fish and plants, the GH and the KH of aquarium water should match their natural habitat. The API GH & KH TEST KIT helps aquarists duplicate the natural habitat of their fish, as well as detect low KH levels, which can lead to rapid and wide pH shifts, stressing fish. API GH & KH TEST KIT contains KH test bottle, GH test bottle, instructions with color card, and two capped glass test tubes. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.

• Contains one API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, including 2 bottles of testing solution, 1 color card and 2 glass test tubes with cap
• Helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants and cause fish loss
• Accurately measures GH & KH in freshwater aquariums
• Water hardness is a measure of the dissolved mineral content of water and should match fish natural habitat to prevent fish stress and keep them healthy
• Use for weekly monitoring and when water or fish problems appear

User questions & answers

Question:	Which test kit do I need to test alkalinity
Answer:	KH measures akalinity
Question:	Ok, my Molly tank read : 12 drops of gh to turn color and 1 drop of kh to turn color. Does this seem suitable for mollies
Answer:	I always thought that particular test was a bit confusing as it has no color sample in which to judge the test color by. When you say it takes 12 drops to turn color ( Green ) how deep is the " color" Green ? Look at the colors indicated by the Ammonia test to get an idea on how deep a Green color you have. I have Endlers in a tank and my readings for that tank are just like yours. My Endlers are active, have a good appetite so I would say that your Molly's should be happy with those readings With that said, I would say that the PH is a bit more important than the GH&KH test. Mollies also like to munch on Algae and or Green Veges so provide some for their good health. They also like plants to hang out in, and to provide safety for the fry's.
Question:	When I did this, the water changed to a pale yellow or blue within one drop. Are you supposed to keep putting drops in until it is much darker
Answer:	Make sure you shake several times after after each drop. Bright yellow for KH not pale yellow. Green change for GH.
Question:	Can someone share instructions please? Mine got destroyed. Thank you
Answer:	Fill a test tube to the level line. Add one drop at a time and invert tube to mix after each drop. For KH (Carbonate Hardness), the test is complete when water changes from blue to yellow. For GH it is complete when water changes from orange to green. For both tests it is one drop per degree of hardness. So if the KH test takes 5 drops, your CO3 Hardness is 5 dKH. (Its also 17.9 ppm/per degree if you want to convert)

Product features

Testing the Waters

In order for fish to thrive, water must be similar to that which could be found in their natural environment. Poor water quality can cause fish stress, illness and even loss. Most common water quality parameters are Ammonia, Nitrite, Nitrate, and pH. All may vary over time and all are invisible to the eye which is why it is important to test weekly. Testing aquarium water weekly will aid in keeping your most important water parameters within the proper range for your aquarium. Choose from a wide range of API testing options, such as our popular FRESHWATER MASTER TEST KIT or 5-IN-1 TEST STRIPS, for accurate water evaluation. Regular testing will help you easily determine your aquarium conditions.

Your API Test Options

Choose the test method that works best for you. Whether you’re a bit pressed for time, or you prefer to measure your parameters on a more in-depth scale, or you only need to test one or two specific parameters, API has what you need!

Dip and Read

Just dip a 5-in-1 TEST STRIP in your aquarium, swirl twice, and compare to our color chart for fast and accurate results.

The Scientific Approach

For more detailed analysis, use the FRESHWATER MASTER TEST KIT, POND MASTER TEST KIT, SALTWATER MASTER TEST KIT, or REEF MASTER TEST KIT for precise readings of parameters.

Pick One (or Two)

Need to check your phosphate levels? What about ammonia? API offers specific test kits to test many different parameters, from general hardness and copper to pH and nitrate. Grab the one you need for a streamlined approach to testing.

Making a Better Underwater World

At API, we understand the rewards and relaxation of fish keeping because we have a passion for fish too. For over 50 years API has developed premium solutions with proven and effective results for your family and nutritionally superior food, because we're dedicated to making a better underwater world.