DIY Macro Root Tabs
It's fairly difficult to find good macro tabs in Australia, most release Ammonia which of course isn't great for fish.
I use Seachem Root Tabs for my Amazon Sword and Banana Plant, replaced each month. However, they are pretty much micro nutrients with little NPK.
I have KNO3+K2SO4, KH2PO4 and K2SO powders for dosing. Could I freeze a small amount of power in an ice cube and use that as a root tab?
Low tech plant, no CO2. Have a Fluval Fresh and Planted 2.0, but it's dimmed down to about 50% or just under (at a guess). Standard 3ft tank with Nitrates always 10-40ppm with weekly 50% water changes or 2x 30% water changes per week. Maybe CO2 in the future, but a canister filter is the next purchase to replace the two cheap HOBs I have running.
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