LAWNMOWER BLENNY handheld testing Salifert was the first in

Salifert was the first in offering such an additive

The alkalinity or carbonate hardness should be kept as stable as possible requiring highly sensitive and accurate means for testing

Every bag of Ocean Direct is alive and breathing with up to 1000 times more beneficial water purifying bacterial than other preservation methods

(The DS-4 has a thinner tubing than previous models—performs a more precise dosage)

The HI781 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the Beer-Lambert principle to determine nitrate concentration

LAWNMOWER BLENNY handheld testing Salifert was the first in