Editor's Choice - Our Favorite boxtech Aquarium Test Kits

1. Boxtech Aquarium Marine Test Sea Saltwater Hydrometer Reef - Ocean Hydrometer Salinity Meter - for F...

User Ratings: 62 7

boxtech First Impressions

"00 becomes 40."

The rest of the test in the kit are much easier to use. Overall, I am very happy with this kit. 32 seconds and I have a reading and I'm on my way with no mess. Best price, best quality, fair accuracy and better than most brands, etc. I have a freshwater tank that includes some delicate invertebrates. Easy to use, a good quantity and quality for the price. Not sure if the reading is 0 or more likely something between 0-.

  • Boxtech Aquarium Marine Test Sea Saltwater Hydrometer Reef - Ocean Hydrometer Salinity Meter - for Fish Tank Water Salinity Specific Gravity Test
  • Safe Material:Made of plastic,aquarium clear Automatic Accurate Readable SaltWater Hydrometer.
  • Durable Clear Acrylic:Accurate, durable, and easy to read your marine aquarium's salt level and specific gravity,Small and waterproof.if the specific gravity between 1.000 - 1.019,show that the specific gravity is small;if the specific gravity between 1.020 - 1.023,show that the specific gravity is nomal;if the specific gravity between 1.024 - 1.030,show that the specific gravity is big;
  • Clearly Safe Zone Indicated:Includes solinity and specific grovity scales.The outside rang of scale indicates salinity(PPT).The inside range of scale indicates gravity.And with safe zone clearly indicated.Range of use: 0-40 degrees (1.000-1.030).If the salinity ppt between 32 - 40,show that the salinity hydrometer is high;If the salinity ppt between 27 - 31,show that the salinity hydrometer is normal; If the salinity ppt between 0 - 26,show that the salinity hydrometer is light.
  • Wide Usage:Fit for brackish and marine aquariums.Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes solinity and specific grovity scales.Suitable for fresh water and sea water.
  • Easy to Read and Use:The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result.
  • Manufacture: Boxtech
  • Product Dimensions: 5.12 x 9.06 x 0.98 inches; 3.6 Ounces
  • Editor's Impressions Of The boxtech
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

boxtech Final Thoughts

"Pond water testing."

About my pic color difference of the water and the chart and about the bad reviews. Wasn't labeled that way in the descriptor. A plus is that they don't bleed colors while testing. It you take it to a local fish store. Comes with a lot of test strips, that are extremely easy to use and read. Strips are accurate as far as I can tell. I'm the test strip came in handy it saved all of my fish.

Overall Score
4.2


(123 Points)

2. Red Sea Fish Pharm ARE21426 Reagent Phosphate Pro Refill Kit for Aquarium, 100 Tests

User Ratings: 44 9

Red Sea Fish Pharm Ltd. 306018 First Impressions

"Bought the 100 Count."

I have a freshwater tank that includes some delicate invertebrates. It does'not' have the same accuracy but it’s very close. I have a freshwater tank that includes some delicate invertebrates. Tank lids, water additives and more have seen the same effect. And if it was, please click on the helpful button below. I will now test my water periodically to make sure everything is ok. First few strips I used gave an accurate ready.

  • Red Sea Fish Pharm ARE21426 Reagent Phosphate Pro Refill Kit for Aquarium, 100 Tests
  • Phosphate Pro refill kit is an advanced colorimetric test with comparator
  • Measuring the level of phosphate in reef aquarium to an exceptionally high accuracy of 0. 02ppm PO4
  • This test kit, when used in conjunction with the nitrate Pro test kit, enables accurate dosing of NO3: po4-x (biological nitrate and Phosphate reducer)
  • This kit includes a durable, chemical resistant plastic case, analytical grade glass vials
  • Includes material for up to 100 tests
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 6 x 4 x 2.5 inches; 4 Ounces
  • Editor's Impressions Of The Red Sea Fish Pharm Ltd. 306018
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Red Sea Fish Pharm Ltd. 306018 Final Thoughts

"Good value."

I cut each strip down the middle so that I have even more tests. I'm still not sure about the chlorine site. This test kit is easy to use and the results are easy to read. Some of the readings develop better than others. The stripa are easy to use, clear instructions and I gor results in seconds. It's difficult to tell if all the test sites on the strip are accurate. I have some pretty lousy water where I live.

Overall Score
3.9


(11 Points)

3. Brightwell Aquatics CoralAmino - Amino Acid Complex for Coral Coloration & Growth

User Ratings: 75 3

Brightwell Aquatics COA60 First Impressions

"That is time consuming."

No one brand is going to guarantee against this. These are do helpful with maintaining your tank. This spreads out the 6 month expiration date after opening. This is no different so I wouldn't knock this product for that. Best price, best quality, fair accuracy and better than most brands, etc. It does take some time though to actually get it done. I started wearing gloves when I use the kit.

  • Brightwell Aquatics CoralAmino - Amino Acid Complex for Coral Coloration & Growth
  • Widely used by professional coral farmers to increase growth rate and coloration.
  • Beneficial to all corals, as well as solitary and colonial polyps.
  • Encourages formation of new tissue and repairs damaged tissue during fragmentation and propagation.
  • Encourages growth by budding and fission.
  • Made in the USA.
  • Age range description: All Life Stages
  • Manufacture: Brightwell Aquatics
  • Product Dimensions: 3 x 1 x 3 inches; 4.8 Ounces
  • Editor's Impressions Of The Brightwell Aquatics COA60
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Brightwell Aquatics COA60 Final Thoughts

"These are great!"

This spreads out the 6 month expiration date after opening. The key is that you are looking for changes. No issues so far, test strips work well. Their Whisper 1-5 filter cartridges have skyrocketed in price and become a scarcity. These have worked to keep my fish safe and healthy. Takes about 5 minutes to check everything. This is essential for an accurate reading.

Overall Score
4.6


(41 Points)

4. Red Sea RCP High Accuracy Calcium Test Kit Reagent Refill 75 Tests

User Ratings: 78

Red Sea Fish pHarm First Impressions

"Let me explain."

This is a good kit so much more accurate and easy to figure out how to use it. I will now test my water periodically to make sure everything is ok. I tested the water and the nitrates and the ph were pretty high still. I've already lost one test tube cap, most likely due to my cats playing with them. The key is that you are looking for changes. I started wearing gloves when I use the kit. It looks to have the slightest green tinge but is not as green as the 0.

  • Red Sea RCP High Accuracy Calcium Test Kit Reagent Refill 75 Tests
  • Calcium Pro - Reagent Refill Kit
  • Manufacture: Aquaculture Technologies
  • Product Dimensions: 1 x 1 x 1 inches; 6.4 Ounces
  • Editor's Impressions Of The Red Sea Fish pHarm
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Red Sea Fish pHarm Final Thoughts

"Quick and easy use."

It's really accurate and makes me feel like I'm a scientist while doing it. I would not use it solely for checking nitrate and nitrites. So I got these to try and I love them. Probably won't buy again because of the bleeding issues. Takes about 5 minutes to check everything. The price is great for all these essential tests! If you're out for speed, but with less accuracy get the dip tests.

Overall Score
4.7


(37 Points)

5. Red Sea Fish Pharm ARE21405 Saltwater Calcium Pro Test Kit for Aquarium, 75 Tests

User Ratings: 79 3

Red Sea 306009 First Impressions

"I know, I'm terrible."

The price is great for all these essential tests! It's difficult to tell if all the test sites on the strip are accurate. It you take it to a local fish store. Unfortunately nitrates still might be the most important test, at least for me it is. It does'not' have the same accuracy but it’s very close. Tank lids, water additives and more have seen the same effect. I find that the accuracy is wrong in the sense it's better than it reads.

  • Red Sea Fish Pharm ARE21405 Saltwater Calcium Pro Test Kit for Aquarium, 75 Tests
  • Country Of Origin: United States
  • The Package Length Of The Product Is 5.59842519685039 Inches
  • The Package Width Of The Product Is 5 Inches
  • The Package Height Of The Product Is 3.09842519685039 Inches
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 5.12 x 5.51 x 3.15 inches; 13.62 Ounces
  • Editor's Impressions Of The Red Sea 306009
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Red Sea 306009 Final Thoughts

"A great kit!"

I will now test my water periodically to make sure everything is ok. These are do helpful with maintaining your tank. It does not test ammonia but that's clear in the description and bottle. This kit is extremely accurate and very well designed for convenient use and storage. These strips work very well and I have had consistent results with them. Also, I'd avoid Tetra's strips to be honest- the reviews speak for themselves. My water was good to go and soon after I for fish that are doing well!

Overall Score
4.6


(30 Points)

6. Hanna Instruments HI758 Marine Calcium Checker Test Kit - Saltwater Aquariums

User Ratings: 76 5

Hanna Instruments HI 758 First Impressions

"Thank you."

This is essential for an accurate reading. Some of the readings develop better than others. In my opinion they arent quite as accurate as master test kits either. These strips are not to be trusted as a primary testing method for aquariums. A plus is that they don't bleed colors while testing. It's really accurate and makes me feel like I'm a scientist while doing it. It was also kinda hard to get exactly 5ml Into the tubes.

  • Hanna Instruments HI758 Marine Calcium Checker Test Kit - Saltwater Aquariums
  • Easier to use and more accurate than chemical test kits, less expensive than professional testing
  • Accuracy +/-6 % of reading at 25 degree C / 77 degree F
  • Large LCD screen for readability
  • Auto shut-off to extend battery life
  • Operated by a single AAA battery
  • Manufacture: Hanna Instruments
  • Product Dimensions: 3 x 4 x 2 inches; 1 Pounds
  • Batteries: 1 AAA batteries required.
  • Editor's Impressions Of The Hanna Instruments HI 758
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments HI 758 Final Thoughts

"Using this meter is easy."

So did another water change today and now I have happy fish. The test strips work as advertised. I get a consistent reading every time, retests included. It shows it could be between 1-20 but the liquid shows 0. You mostly find them using API also. Besides these few flaws I have to say it's a great starter kit. I like API products and find them the most accurate.

Overall Score
4.5


(261 Points)

7. API REPLACEMENT TEST TUBES WITH CAPS For Any Aquarium Test Kit Including API Freshwater Master Test ...

User Ratings: 89 1

API 32 First Impressions

"It's that easy."

Not sure if the reading is 0 or more likely something between 0-. My 12 yrs old son wanted a fish tank so we got him 2. The nitrate test is a little finicky as most users will agree. To test it, I bought a 5 pack of 5 site test strips from Petco. But it turns out that is not the case. I wouldn't call this a master kit but a great start. Very helpful for checking the water in our tank.

  • API REPLACEMENT TEST TUBES WITH CAPS For Any Aquarium Test Kit Including API Freshwater Master Test Kit 24-Count Box
  • Contains one (1) 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
  • Manufacture: Aquarium Pharmaceuticals
  • Product Dimensions: 7.13 x 1.25 x 3.5 inches; 6.4 Ounces
  • Editor's Impressions Of The API 32
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

API 32 Final Thoughts

"5 out of 5 stars."

I have a freshwater tank that includes some delicate invertebrates. Quantity of strips seems very good. So I got these to try and I love them. It you take it to a local fish store. The nitrate test is a little finicky as most users will agree. Well I found out why they were gulping so bad. I will now test my water periodically to make sure everything is ok.

Overall Score
4.8


(554 Points)

8. Salifert Carbonate Hardness & Alkalinity (Kh/Alk) Test Kit, 100-200 Tests

User Ratings: 80 3

Salifert 8714079130354 First Impressions

"Great test kit."

It does not test ammonia but that's clear in the description and bottle. I would not use it solely for checking nitrate and nitrites. But, I will continue to order Tetra's 6 in 1 until someone makes a better test strip. I'm the test strip came in handy it saved all of my fish. Very helpful for checking the water in our tank. I tested the water and the nitrates and the ph were pretty high still. If you're out for speed, but with less accuracy get the dip tests.

  • Salifert Carbonate Hardness & Alkalinity (Kh/Alk) Test Kit, 100-200 Tests
  • package height : 4.826 cm
  • package length : 12.7 cm
  • package width : 10.668 cm
  • Product type : PLANT SEED
  • Manufacture: Deepwater Aquatics Distribution
  • Product Dimensions: 5 x 5 x 4 inches; 8 Ounces
  • Editor's Impressions Of The Salifert 8714079130354
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Salifert 8714079130354 Final Thoughts

"So they're measuring!"

I have a 55 gallon tank with a few large goldfish. They're super easy to read and seem to be pretty accurate. I like API products and find them the most accurate. My results are never all over the place like other reviewers. But after last night these are a must have for me. My 12 yrs old son wanted a fish tank so we got him 2. Overall good value for a small hobbyist aquarium owner.

Overall Score
4.7


(360 Points)

9. Seachem MultiTest Silicate Test Kit,75 Tests

User Ratings: 64 7

Seachem 116097604 First Impressions

"Maybe I have bad bottle."

Easy to use, a good quantity and quality for the price. Quantity of strips seems very good. All bottles clearly labeled and tell you how many drops. Strips are accurate as far as I can tell. I have a freshwater tank that includes some delicate invertebrates. Overall, I am very happy with this kit. Quantity of strips seems very good.

  • Seachem MultiTest Silicate Test Kit,75 Tests
  • 75 test
  • Fresh or saltwater use
  • Unique indicator
  • Manufacture: Seachem Laboratories, Inc.
  • Product Dimensions: 4.6 x 4.3 x 2.5 inches; 2.4 Ounces
  • Editor's Impressions Of The Seachem 116097604
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Seachem 116097604 Final Thoughts

"They work for me."

About my pic color difference of the water and the chart and about the bad reviews. I started wearing gloves when I use the kit. I started wearing gloves when I use the kit. This test kit is easy to use and the results are easy to read. My results are never all over the place like other reviewers. Strips are accurate as far as I can tell. While using these weirder chemicals, it worries me a little bit.

Overall Score
4.3


(63 Points)

10. Seachem MultiTest Marine Basic Test Kit

User Ratings: 53 15

Seachem 116099004 First Impressions

"I used API prior to this."

Having the key on the bottle is very helpful, it won't get lost. Every test I do takes just a few drops. I will now test my water periodically to make sure everything is ok. To test it, I bought a 5 pack of 5 site test strips from Petco. Overall, I am very happy with this kit. I mean some people would never do a water test at all. It does not test ammonia but that's clear in the description and bottle.

  • Seachem MultiTest Marine Basic Test Kit
  • 75 test
  • For saltwater use only
  • Unique indicator
  • Four tests in one
  • 75 test
  • Unique indicator
  • Four tests in one
  • Manufacture: Seachem Laboratories, Inc.
  • Product Dimensions: 4.6 x 2.8 x 2.5 inches; 6.4 Ounces
  • Editor's Impressions Of The Seachem 116099004
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Seachem 116099004 Final Thoughts

"So they're measuring!"

You mostly find them using API also. These helped me check the levels and they were easy to use. Probably won't buy again because of the bleeding issues. The nitrate test is a little finicky as most users will agree. My tap water actually was really green and was a very close match to the 1. If you're looking for a quick-hit on a range of water quality these are the answer. Nice to have in hand when you own an aquarium.

Overall Score
3.8


(19 Points)

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