Mr Koizumi - Sludge Remover sps The product's versatility extends to

The product's versatility extends to its use both underwater and in dry conditions

it grazes film algae

Keeping strontium at this level is advisable and not outside the range of 5-15ppm

No more need to use brick acid

Mr Koizumi - Sludge Remover sps The product's versatility extends toMr Koizumi Sludge Remover contains bacteria specially developed to reduce the sludge layer. Regularly adding these bacteria to the pond reduces sludge and deposits on the walls and bottom of the pond. Sludge Remover can also be added to the pond filter to prevent clogging by breaking down organic material. This product is particularly suitable for natural down flow filters with lava or substrate.