Neocaridina Shrimp Water Parameters: Full Chart

Published: 2026-10-21 · FishyKart Blog

Neocaridina shrimp care hinges on water hardness in a way most freshwater fish care doesn't - GH 6-8, along with pH 6.5-8.0 and temperature 20-25°C, supports the mineral-dependent process of molting that a shrimp repeats its entire life.

Full Parameter Chart

Parameter	Range
GH	6-8 dGH
KH	0-4 dKH
pH	6.5-8.0
TDS	150-250 ppm
Temperature	20-25°C

Why GH Matters So Much

Every molt - shedding the old exoskeleton to grow a new one - draws directly on dissolved calcium and magnesium (general hardness, GH) in the water. In water that's too soft, shrimp can develop weak, incomplete shells or fail to complete a molt entirely, which is often fatal. This is the single biggest reason Neocaridina care leans so heavily on hardness compared to typical freshwater fish advice, which usually treats hardness as a secondary concern.

Stability Over Precision

Hitting an exact number matters less than keeping parameters stable - a shrimp acclimated to GH 7 handles staying at GH 7 far better than one bounced between GH 4 and GH 9 from inconsistent top-offs or water changes. Test regularly and adjust gradually rather than making large corrections at once.

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Frequently Asked Questions

What GH do Neocaridina shrimp need?

6-8 dGH is the commonly recommended range. GH matters more for shrimp than for most fish because it supplies the calcium and magnesium they need to build a new shell after every molt.

What temperature do cherry shrimp need?

20-25°C is the safe range. Neocaridina tolerate cooler water better than many tropical fish but do poorly at sustained temperatures above 28°C.

Does pH matter for Neocaridina?

Yes, though less critically than GH - 6.5-8.0 is a workable range, with stability mattering more than hitting one exact number.

What TDS is ideal for cherry shrimp?

Roughly 150-250 ppm is commonly cited as a healthy range, though Neocaridina are more tolerant of TDS variation than Caridina species.

Why do shrimp need harder water than some fish prefer?

Because molting - shedding and regrowing an entire exoskeleton - draws heavily on dissolved calcium and magnesium in the water. Soft water starves that process, leading to weak, sometimes fatal molts.