Usually the smaller the aniaml guano the higher the nitrate concentration.

Nitrates are what plants can uptake in terms of nitrogen after the microbs break it down into inorganic form
Sparrow Reviewed by Sparrow on . Bud Question i know bud were formed by light and nutrients..... but what are the nutrients......? N-P-K ? please dont write the brand.....just the components... any help would be great Rating: 5