a) the 'beneficial' bacteria in the nitrogen cycle;
b) the health of the puffer fish
Anyone use these?
The one I was looking at is:
http://www.rocketrading.co.uk/product_i ... cts_id=222
Any info much appreciated!
Actually it is quite effective of free floating algae or what is called "Green Water".PetPirate wrote:No problems either with (a) or (b) -- but IME/IMO the effect on algae is only marginal.