k2so4

Hello everyone! First time poster here. I purchased the PPS Pro package about a month ago and had a quick question. Using the recommended stock solution for macros, I noticed my nitrates were increasing too quickly. My phosphates were also a little high. So, I decided to split out each macro...

Can this product be used for potassium sulfate (K2S04)? Not sure if the term "organic" in this case makes a difference. I'm looking to buy 3 lbs. I can usually pick up 1 lb. for $3.00. So 3 lbs. plus $8.00 shipping comes to $17.00. This is $16.00 for 5 lbs. Sounds like a good deal if it can be...

Hello all, So I've been studying about fertilizers and I think I like the whole dry fertilizer method. I found this package from GreenLeafAquariums that looks pretty good as far as price goes. It is $15 dollars and $25.78 after estimated shipping. The package includes: Micros - Plantex...