Set of 3x paper scrolls for compact  Rollermat

Phosphate-X-globuli 1000ml Phosphate is a very important nutrient and should never miss. But if the water contains too much phosphate green algae and cyano-bacteria (blue-green algae) are growing rapidly. Hard corals will be destroyed because at high concentrations they are not able to synthesize their skeleton. In the modern reef aquaristic the phosphate...

Set of 3x paper scrolls for Rollermat