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Edward · 01-14-2007, 09:19 AM

Hi Adam
New aquariums usually don’t run perfectly. Changing strategies and adjustments are unavoidable. It does take time.

Most tap waters are unsuitable for growing plants to their best potential. This is due to mineral contents and chemicals added by water city departments. RO is a great instrument, but we need to differentiate between levels of different products. Hi-S RO systems remove ~99% of minerals. Hi-Flow RO systems remove ~75% of minerals. This has an impact on supplied Ca, KH and so on. What RO do you have? What is your tap Ca, Mg and KH?

Substrate may play an important role in terms of dissolving minerals in the water column due to CO2 presence. If this is true water changes have to keep levels under control.

How large is your aquarium and what lighting. Do you have pressurized CO2 available.

Edward

01-14-2007, 09:19 AM	#2 (permalink)
Edward Moderator Join Date: May 2004 Location: at home Posts: 2,021 iTrader Ratings: 0 Plant Points: 103205	Hi Adam New aquariums usually don’t run perfectly. Changing strategies and adjustments are unavoidable. It does take time. Most tap waters are unsuitable for growing plants to their best potential. This is due to mineral contents and chemicals added by water city departments. RO is a great instrument, but we need to differentiate between levels of different products. Hi-S RO systems remove ~99% of minerals. Hi-Flow RO systems remove ~75% of minerals. This has an impact on supplied Ca, KH and so on. What RO do you have? What is your tap Ca, Mg and KH? Substrate may play an important role in terms of dissolving minerals in the water column due to CO2 presence. If this is true water changes have to keep levels under control. How large is your aquarium and what lighting. Do you have pressurized CO2 available. Edward