sweetwater ® air diffusers made of glass-bonded silica are virtually ... indestructible and will give many years of service the only maintenance normally ... is periodic cleaning the frequency of cleaning will be determined by the ... mineral and organic content of the water in which the air diffusers ... in clean cold soft water cleaning may only be necessary every 2 or 3 years in very ... hard water or water high in organics it could be necessary as often as every ... 2 months 1 remove from service and blow out excess water if fouled with barnacles ... or other gross foreign material scrape or hose off 2 if you have a 1/2 npt white ... fitting on the end of your diffuser immerse the diffuser ...
cylindrical tanks are made of .04 polymer fiberglass that provides ... and stripping towers choose flat or conical bottom the conical bottom tanks ... are fitted with a 2 fnpt bottom hole and can be supported by ... aeration is required at the bottom of the tank this is a thin-walled only . ... lengths to extend length use a piece of vinyl tubing as a coupler length o.d 3/ ... bivalves it can be used to supplement or replace live algae in the hatchery ... live algae algae concentration is based on the density of the average live algae ... culture i.e one liter premium 3600 is equal to 3,600 ... liters of an average algae culture ships next ... density measuring stick based on the secchi principle this plastic stick ...