Hi Ken,
Why dun you try TWP? I using that for long time. US product. I think is US. Pharm. Got it from Petmart yrs back.
BOught at $68 or $75. Refill Cart abt $35.
Till I get back my cam, I post the pic also.
The thing will turn purple when it is exhausted.
Cheers!
Goh
Selling at
Quote:
Originally Posted by nim75sg
Agar agar not so good unless you test the water using a TDS water quality meter ...
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