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Bloom City Product Bloom City Product

Total Control

Superior pH control for all plants in all growing mediums.

pH Up + pH Down Kit | Professional Grade

Your pH control freak. Bring predictability and consistency to your grow with our premium pH formulation. Bloom City’s pH Up + Down contain strong and stable acid + base complexes. Increase or decrease feed water pH to keep root systems and soil balanced.

  • Formulated for use in hydroponic gardens as well as soil gardens.
  • Adjust pH with every watering and aim for a pH of 5.8 to 6.2 for healthy and robust plant growth.
  • Bloom City is better because other pH adjusting brands use low grade industrial chemicals, which are not designed for plants.
  • Bloom City’s pH is strong and stable, which means your feed water will hold pH all the way into the root zone. 
  • Made in America from the highest quality sources by a small team of passionate plant scientists. 

What To Know

  • Trust

    Precision you can Trust

    Bloom pH Up is formulated and made in the USA

  • Pro

    Optimize like a Pro

    Maintain optimal pH levels with professional grade pH formula

  • Stable

    Superior Stability

    Achieve superior pH stability for all plants in all growing mediums

How It Works

Overview

Bloom City’s pH Down formulation contains a strong and stable acid complex. pH Down decreases feed water pH to keep root systems and soil balanced. Formulated for use in hydroponic gardens as well as soil gardens. Add pH Down to every watering and aim for a pH of 5.8 to 6.2 for healthy and robust plant growth.

Types of plants

Safe to use for all plants. Designed for hydroponics systems, soilless mediums and soil gardens.

How much to use

When adjusting pH, start with 1mL (0.25 tsp) per gallon of water. Wait about 2 minutes, and test your water again. In most cases you only need 1-2mL (0.25-0.5 tsp) per gallon. If you have hard water, you may use slightly more. You may want to pick up some pH strips so that you can continually test.

Where to use

Designed for hydroponics systems, soilless mediums and soil gardens. Safe to use for all plants.

When to apply

Add to every watering to adjust pH to the desired level, usually aim for a pH of 5.8-6.2.

Guaranteed analysis

pH Up: Potassium Hydroxide, Potassium Silicate, Potassium Carbonate.
pH Down: Phosphoric Acid, Citric Acid, Acetic Acid.

Bloom City Product Video

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Bloom City pH Kit provides precise pro-level control.

Bloom City’s products are made in America from the highest quality sources by a small team of passionate plant scientists. Our ingredients are better for plants, better for you, and better for the planet. See it in action.

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Product Feed Chart

Feed Chart

When adjusting pH, start with 1 ml/ gallon of water. Wait about 2 minutes, and test your water again. In most cases you only need 1-2 ml/gallon.

If you have hard water, you may use slightly more. You may want to pick up some pH strips so that you can continually test.

What's Being Said

Sam D.Ratings

"Just like with the pH up this product is a no brainer. I heard about Bloom City from friends who highly recommended them and I couldn't be happier!"

Quincy T.Ratings

"Just what I needed...only requires a small amount, so it will last! Excellent product, only the best from Bloom City."

Jeff F.Ratings

"I use it to balance out my orchid feedings along with Bloom City’s pH Down as well. I’m no scientist but my orchids appreciate it!"

Kai F.Ratings

"Easy to use and a little goes a long way. Just a few ml for a gallon makes a big difference in the ph level. Now that I've used this I won't be without it as long as I'm gardening!"