Hover to zoom
Seachem Neutral Regulator
Phosphate buffer that holds freshwater right at 7.0
- Adjusts and buffers aquarium water to a neutral pH of 7.0
- Phosphate-based buffer resists pH drift over time
- Also removes chlorine, chloramine, and detoxifies ammonia
- Works whether your tap runs acidic or alkaline
- Suited to community fish that prefer neutral water
Check the latest price and availability on Amazon.
View on Amazon →As an Amazon Associate, AquaticRig earns from qualifying purchases.
Pros
- Stably anchors pH at 7.0 for sensitive community tanks
- Doubles as a conditioner by removing chlorine and chloramine
- Pulls water toward neutral from either direction
- Trusted Seachem quality and consistency
- Helpful for keepers with problematic tap water
Cons
- Phosphate buffering can feed algae if dosed heavily
- Not ideal for fish that need distinctly acidic or hard water
- Powder dosing requires a bit more measuring care
- Freshwater only, not for marine systems
At a glance
Phosphate buffer that holds freshwater right at 7.0
Seachem Neutral Regulator is a dependable way to anchor a community tank at a steady 7.0 while doubling as a water conditioner.
- Adjusts and buffers aquarium water to a neutral pH of 7.0
- Phosphate-based buffer resists pH drift over time
- Also removes chlorine, chloramine, and detoxifies ammonia
- Works whether your tap runs acidic or alkaline
- Suited to community fish that prefer neutral water
Product Specifications
- Target pH
- 7.0 neutral
- Buffer type
- Phosphate based
- Also removes
- Chlorine and chloramine
- Ammonia
- Detoxifies
- Water type
- Freshwater
- Form
- Powder, dosed per volume
Why we recommend the Seachem Neutral Regulator
A stable pH matters more to most fish than hitting a perfect number, and swings are often what cause trouble. Neutral Regulator is built to pull freshwater toward 7.0 and then hold it there, using a phosphate-based buffer that resists the gradual drift many tanks experience between water changes. Whether your tap leans acidic or alkaline, it nudges the water toward neutral, which is right in the comfort zone for most community species.
It also pulls double duty as a conditioner, removing chlorine and chloramine and detoxifying ammonia, so the same scoop that sets your pH also makes tap water safe. That convenience is part of why it is a long-standing favorite. The one caveat experienced keepers raise is the phosphate: dose conservatively, because phosphate is a nutrient algae loves, and heavy use in a bright tank can encourage growth.
Who it’s for
This product is a good match for freshwater hobbyists keeping neutral-loving community fish, particularly those battling tap water that resists settling at a stable pH. It is less appropriate for biotopes that demand distinctly acidic, soft, or hard water, where a specialized buffer fits better. Measure the powder carefully, keep an eye on algae, and it will quietly hold your community tank right where it should be.
The Bottom Line
Seachem Neutral Regulator is a dependable way to anchor a community tank at a steady 7.0 while doubling as a water conditioner. Watch your dosing to avoid feeding algae with phosphate, and it is a tidy two-in-one for keepers with stubborn tap water.
View on Amazon →As an Amazon Associate, AquaticRig earns from qualifying purchases.
Frequently Asked Questions
What pH does Neutral Regulator hold?
It buffers freshwater to 7.0, a neutral level that suits most community fish. It works from either an acidic or alkaline starting point.
Does it also condition my water?
Yes. It removes chlorine and chloramine and detoxifies ammonia, so it functions as a conditioner in addition to a pH buffer.
Will it cause algae problems?
It is phosphate based, and phosphate can feed algae. Dose conservatively and monitor your tank, especially under strong lighting.
Is it right for fish that like acidic water?
Not really. Species that prefer distinctly acidic or soft water are better served by a buffer tailored to those parameters.
Can I use it in saltwater?
No. It is formulated for freshwater. Marine tanks rely on the buffering built into quality salt mixes and dedicated marine additives.