Grodan A-OK Starter Plugs 1.5 in | Case of 30 Sheets, 2,940 Wands Never combine with other concentrates

Never combine with other concentrates

but trimming by hand can be one of the most time-consuming

and 4 L or 10 L suits a multi-room site

It's highly soluble

offering organic growers a reliable

Grodan A-OK Starter Plugs 1.5 in | Case of 30 Sheets, 2,940 Wands Never combine with other concentratesWhat the A OK Starter Plugs Case Actually Holds Thirty sheets, ninety eight plugs each. That is 2,940 stonewool plugs at 1. 5 by 1. 5 in, sold loose in the case rather than shrink wrapped individually. A sheet drops straight into a standard 10 by 20 flat, so nothing has to be cut down to fit. Preparing Grodan Starter Plugs Before You Sow Stonewool is alkaline as it comes out of the sheet. Soak the sheet in pH adjusted water before anything goes into