How to Raise or Lower pH in a Shrimp Tank @MarksShrimpTanks
How to Raise or Lower pH in a Shrimp Tank  @MarksShrimpTanks
Uploaded August 2026 | Updated September 2026, 2 weeks ago
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. Today I’m going to show you how to raise or lower the pH in your shrimp tanks.

I’ll explain what pH is, how to raise pH for Neocaridina, and how to lower pH for bee shrimp.

Make small adjustments, test between changes, and account for the exact product strength and the buffering in your aquarium.

So what is pH?

pH tells us how acidic or alkaline our water is. So for example Below 7 is acidic, 7 is neutral, and above 7 is alkaline.

The pH is strongly influenced by the buffering capacity of the water. In most freshwater tanks, KH is the main alkaline buffer that helps keep pH stable.

So how do we raise pH for Neocaridina?

For Neocaridina, I like a pH around 7.5, although they are very adaptable. I’ve bred hundreds at around pH 8.5 in one of my Sulawesi tanks.

To raise a low pH, I use ordinary baking soda.

Start with ΒΌ teaspoon per 10 gallons. Mix it into a cup of aquarium water first, make sure it is dissolved, then slowly add it to the tank.

Wait a few days, test again, and repeat if needed.

So how do we lower pH for bee shrimp?

Bee shrimp generally prefer softer, more acidic water.

If your pH is high, check your KH first, because KH may be what is buffering the pH and keeping it high.

To lower the pH, I use an aquarium-safe acid such as Sera pH/KH-minus or an acid designed for soft-water aquariums.

For a 10-gallon tank, I start with just 2 drops of the product I use. Put those drops into a cup of aquarium water first, mix it, and then slowly add that water to the tank.

I mix it outside the aquarium mainly because it is very easy to accidentally squeeze out too many drops directly into the tank.

Wait a day or two, test the pH again, and only add another small dose if needed.

The main rule

Whether raising or lowering pH, make small changes and give the tank time to respond. Never try to reach your target pH all at once.

Chapters
00:00 Introduction and overview of pH
00:16 Understanding pH and buffering capacity (KH)
00:40 Raising pH for Neocaridina
01:28 Lowering pH for bee shrimp
02:40 Using aquarium acids carefully
03:19 Adding pH-adjusted water
04:05 Final tips and gradual adjustments

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How to Raise or Lower pH in a Shrimp Tank

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