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i would test both your Ro for tds and phos also your salt water source could have had trace of phyto if its NSW. I would start there and maybe cut...
For your needs stick with IO. I would have said deltecs H2ocean if you were doing stonnies. the price reflects the params in the salt. deltecs has...
Oh man if only you were closer.. Its exactly what im looking for at the moment.. i already have commercial license..SPL..Already dive certified and...
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