Enforced fasting is the best solution
Withdrawing food is the best way to combat algae! A good silicate eliminator quickly, reliably and easily prevents those unsightly brown coatings which often cover the substrate, stones, wood and even plants in the aquarium.
The new JBL Silikat Ex rapid is a concentrate with a 100 % higher capacity than its predecessor. 400 g (one package) bind up to 12,000 mg silicate (SIO2). Just fill the enclosed net bag with JBL SilikatEx, rinse briefly and place it in the filter. The removal of silicate works in both freshwater and marine water.