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Search: Posts Made By: GORDO
Forum: Hydroponics 02-13-2009, 01:41 AM
Replies: 1
Views: 3,449
Posted By GORDO
Do i need to rinse the rocks off before i use them?

From gordo when using grow rocks do i need to rinse the rocks off before i use them? I noticed that they turn the water brown and leaves alot of sediment in my tank. Took your 11 site system and...
Forum: Your Hydroponics Setup 02-13-2009, 01:39 AM
Replies: 1
Views: 3,926
Posted By GORDO
how are ppm, ph, affected by the fertilizer that you use

ppm, ph, tds how are these affected by the type of fertilizer that you use for example 7-7-7, 15-30-15,and so on. From what I can figure out the ppm and tds are the same and for example the ppm goes...
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