Thanks much appreciated I will be looking into the products on your post..no Tim's lolJust beware that Tims ammonia (ammonium chloride I believe) will deplete alkalinity and is not intended for regular dosing so may not have the desired purity for ongoing use (don't know since there's no purity data provided on it that I have seen). I think food grade ammonium bicarbonate is a better best for most folks:
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DIY Ammonia dosing for low nitrate systems
Some reef aquaria have chronic low nitrogen availability. One indicator is very low nitrate. Nitrate dosing is a fine remedy, but it is possible that ammonia dosing may be more beneficial for some organisms since ammonia can be energetically easier to assimilate than is nitrate. For this...www.reef2reef.com