💸VIP Rewards ~ Join Now

🚚Free Shipping at $75 ~ Details

👋1-888-373-8686 ~ Contact Us

API pH Down Lowers Aquarium pH for Freshwater Aquariums

$5.78 $6.99
API  |  SKU: AP030C  |  Barcode: 317163030301
Size

Easy Returns

Our policy is simple. If you are not 100% satisfied with your pet supplies, you can return any unused product in the original condition within 30 days.

100% New & Authentic

PetMountain has built a reputation since 2004 as a reliable pet supply company by only offering new pet products by 100% authentic brands that customers love & trust.

Fast Shipping & Delivery

  • $6.95 flat-rate shipping.
  • Free shipping on orders over $75.
  • Fast order processing within 1 business day.
  • Fast delivery within 1-5 days by USPS / FedEx.

Description

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.

  • Lowers pH for freshwater aquariums
  • For community aquariums, soft water and live-bearing fish
  • 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.

100% Secure Checkout

Payment methods & security:

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Meta Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Free Shipping at $75 Fast Delivery 1-5 Days No Tax - Excluding CA

Customer Reviews

Based on 1 review
100%
(1)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
L
Lee (United States)
Good fish friendly product

Does a great job.

API pH Down Lowers Aquarium pH for Freshwater Aquariums - PetMountain.com
API

API pH Down Lowers Aquarium pH for Freshwater Aquariums

From $5.78 $6.99

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.

Size

  • 4 oz
  • 24 oz (6 x 4 oz)
  • 16 oz
  • 48 oz (3 x 16 oz)
View product