Mesh Filter Sock 7" both ammonia and nitrite levels

both ammonia and nitrite levels are zero and nitrate is well above zero

REDThe RED spectrum is designed for tissue culture and cloning by producing maximum root growth during the plant's whole life

Calcium and strontium will not interfere when their total concentration is between 200 and 650 ppm

Be sure to add Mardel Coppersafe® solution to replacement water when water changes are made

Let it stand for 3 minutes

Mesh Filter Sock 7" both ammonia and nitrite levelsFilter socks are the most convenient form of mechanical filtration. They remove excess food, detritus, organic waste, dust, and other particulates. Removing these particulates from the water column will reduce the amount of organic matter that produces ammonia and other undesirable substances in the aquarium. Filter socks also help prevent larger objects, such as sand, crabs, snails, etc. from damaging pump motors. Regular filter sock use will lower