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quatermass · 10-15-2006, 12:12 PM

My glass Drop checker from Aqua Essentials in the UK (Aquili Permanent C02 test at £13) goes green when its around 15ppm.

Aquili Permanent C02 test [25265] - £12.99 : Aqua Essentials

Isn't 15ppm the right amount of CO2?

10-15-2006, 12:12 PM	#6 (permalink)
quatermass Member Join Date: Sep 2006 Location: Livingston, UK Posts: 34 iTrader Ratings: 0 Plant Points: 5100	My glass Drop checker from Aqua Essentials in the UK (Aquili Permanent C02 test at £13) goes green when its around 15ppm. Aquili Permanent C02 test [25265] - £12.99 : Aqua Essentials Isn't 15ppm the right amount of CO2?