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Forum: Hydroponics

02-13-2009, 01:41 AM

Replies: 1

Do i need to rinse the rocks off before i use them?

Views: 6,432

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

how are ppm, ph, affected by the fertilizer that you use

Views: 6,328

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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