API pH Down Aquarium pH Adjuster 16 oz
Aquarium Pharmaceuticals pH Down lowers pH and makes aquariums more acidic. Fast-acting, colorless and easy-to-use. API pH Down is fast acting, colorless, easy to use and will not cloud or color aquarium water.
The colorless formula will not cloud or color aquarium water. Contains no phosphates, a major source of algae outbreaks.
The following pH levels are recommended for freshwater tropical fish:
Egg-laying fish: 6.6 to 6.8 (slightly acidic)
Community aquarium: 7.0 (neutral)
Live bearing fish: 7.2 to 7.6 (slightly alkaline)
Directions For Use: Use API Freshwater pH Test Kit to determine the pH of aquarium water.To lower pH, add two drops of pH Down for each gallon of aquarium water.Take another pH reading before adding the next dose of pH Down.If fish are present in the aquarium, do not change the pH more than 0.2 in any 24 hour period (for example, from 7.2 to 7.0).
In case of contact with eyes, rinse immediately with plenty of water and seek medical attention. If on skin, flush with water for 15 minutes. Remove contaminated clothing. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible). If swallowed, do not induce vomiting. Never add water to this product.
Danger: Causes severe burns. May be fatal if swallowed. Read cautionary information.
Danger Poison: contains Sulfuric Acid (EINECNo. 231-639-5). Causes severe burns.
Keep out of the reach of children.
Brand | API |
UPC | 017163020301 |
SKU | 30B |
Item Number | L-AP030B90910D03-11940 |
Size | 16 oz |
Weight | 1.2 lbs. |
Pkg Dimensions | 8.75" (L) x 2.5" (W) x 2.5" (H) |
5 star | 73% | |
4 star | 18% | |
3 star | 9% | |
2 star | 0% | |
1 star | 0% |
Reviewed by Amy H. on Apr 2, 2021
filters and doing your water changes weekly or bi monthly like your supposed to be
Reviewed by Kathy K. on Mar 21, 2021
Worked over night.
Reviewed by Travis H. on Mar 2, 2021
Works well but heard to measure pH change
Reviewed by Rick Va Y. on Feb 24, 2021
Ph down
Reviewed by Evans Mercier on Dec 19, 2020
Good product
Reviewed by Samir Mourad on Dec 6, 2020
Don’t kill your fish
Reviewed by Colleen Herbst on Nov 17, 2020
I've used the product before and it does work great. Always remember
Reviewed by Emelia Donkor on Oct 12, 2020
Be Careful
Reviewed by Paulette R. on Sep 3, 2020
pH Down works well. You might need a dropper if you have a small tank.
Reviewed by Karen L. on Aug 27, 2020
keeps your Betta fish healthy!
Reviewed by Robert Nothnagle on Jun 11, 2020
Saved my aquarium!