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by Arydigital
Mon Aug 07, 2017 3:14 am
Forum: Freshwater Forum
Topic: It's been a while!
Replies: 9
Views: 2528

Re: It's been a while!

Next most used elements:
Referred to as macros, plants use nitrogen (N), phosphorus (P), and potassium (K) in great amounts.
Fish food provides reasonable amounts of N and P, Ary Digital
especially in a low tech tank. Fish food is low in K.