NT Labs Pond Water Test Kits PH Nitrite Nitrate Ammonia KH GH - Pondlab Multi

NT Labs PONDLAB 200 Multitest Kit. Pondlab 200 Multi-test. Ammonia, Nitrite, Nitrate, pH, GH and KH. NT Labs Nitrite test kit. Nitrite is produced by the beneficial bacteria in the pond and filters as they break down the harmful waste ammonia - excreted by the fish.

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