Seachem MultiTest: pH & Alkalinity 75 Tests Gravel Calcium could be used alone

Calcium could be used alone or in conjunction with Magnesium

An all-rounder with filter function

making it a must-have for any fish-keeper

for feeding Koi and other pond fish in warmer water temperatures

Code Description Impeller Black Sponge Carbon Cartridge 52052BK Lifestyle Classic 40 Complete Glass Aquarium 25166i – Impeller Set 166i 25002S – Sponge 2S 25002C – Carbon  Cartridge 52053BK Lifestyle Classic 72 Complete Glass Aquarium 25166i – Impeller Set 166i 25167S – Sponge 167S 25167C – Carbon  Cartridge 52054BK Lifestyle Classic 125 Complete Glass Aquarium 251686i – Impeller Set 168i 25168S – Sponge 168S 25168C – Carbon  Cartridge

Seachem MultiTest: pH & Alkalinity 75 Tests Gravel Calcium could be used aloneUnique dye that has a pronounced color change between 8. 0 and 8. 3 Multi cavity plate for simultaneous testing of up to 6 tests at the same time Includes reference for test validation Marine or high pH Freshwater