swackett said:...One thing is that water is still quite cloudy, could this be the filter?
swackett said:Thanks for the very imformative replies guys,
I've notice the flow if very slow along the front of the tank and a lot of malm, muck, dead leaves etc seem to build up around the tennelus. The approach Ceg uses with multiply spray bars at the back pointing forwards makes sense to me as you get even flow right along the tank.
Matt, I think we already use an EI method ( 50% weekly water changes and dosing TPN+ daily) as well as pottasium 3 times a week, or am I missing something :?
I'm just trying to figure out if buying a new filter will fix the problem or as Matt said there is something else that is not quite right.
Remember that EI is not married to dry powders. They can each have other partners. EI is just a concept that is based on always having unlimited levels of nutrients in the water column. Thats all. You can achieve that with any brand of ferts but you need to know what concentrations are being dosed with the type of ferts being used. For commercial ferts that might mean some more maths, or (heaven forbid) measuring concentration levels. Dry powders just makes it easier to make adjustments, does not require measurements and the powders are loads cheaper. The quantities are already known so the maths are easier. See this article for more details:=> viewtopic.php?f=34&t=1211
swackett said:Looking at the calculator and trying to figure out how much power of each I need to buy, am I aiming for 20ppm for KN03, 3ppm for KH2P04 and 7ppm for MgS04?
Yes, you are right! I should take my own advice (duh)!..swackett said:Thanks for the info, however I think you may have typed in 240 US gal's instead of selecting 240 Litres as the amounts are very high, under litres KN03 is 11.15g a week, KH2P04 is 3.15g a week -
Thanks again the help is much appreciated,
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