Maxspect Nano Tech Bio Block 2PZ Bio Blocks x Sump Filter Aquarium Marine Dolce

Appears to be doing a fabulous job of keeping the phosphates and nitrates in check. I'm finding they work best either in a filter cup or raised on egg crate near to a consistent flow (mine is near to the skimmer)

First time use it. It’s hard to cut for the right size. But on the review this is the best bio block

item was repacked not happpy ,when you order new . seal was intact , but item was repacked from the side off box,so not breaking the seal item was also damp . so i received a used item.

highly recommended

Prodotto arrivato puntuale e in ottime condizioni .

Excelente produto. Após alguns meses é possível restaurar a mídia e volta a ser nova.

So far they have stayed clean in my sump, but not 100% sure if they are houding bacteria?

Carini

Fanno il loro lavoro,ottimo prodotto