Problem:- High pH, Gh and Kh. I understand that the Paradise Industries gravel is going to bump up the pH, I have tried to overcome this with the timber I have in the tank. The tank has a CO2 system however I can't seem to get an accurate measurement of the CO2 level as the high pH level is corrupting the indicator. At the moment I'm running 2-3 bubble per second to be safe.
Question is how can I bring down the KH and GH in the tank, apart from doing dailey water changes?
Using API kits:
Gh:- approximately 160ppm
Kh:- approximately 160ppm
Size of tank:- 300lt
Temperature °C:- 26-28
Been running for:- Three months since change of gravel a mix of Fluval plant gravel and Paradise Industries dark gravel. 2 years in total.
Filtration:- FX5, Marine Pure Spheres and noodle as media.
Fish in tank:- 2 x Butterfly Rams, 2 x Blue Rams, 10 x Cardinal Tetras, 10 x Bloodfin Tetras, 10 x Rummy Nose Tetras, 6 x Rosey Tetras? 10 x Corys, 2 x Bristlenose
Plants in Tank:- Amazon Sword, Java, Anubias, Spiral Vail, mini grass and crypts
Feeding:- A mix of frozen blood worms- brine shrimp once every few days, a mix of Ocean Nutrition Community Flakes, Ocean Nutrition Community Pellets and Spectrum Thera twice a day.
Recent Medication Treatments:- none.
Last water change:- 22 Nov 13 about to do one after posting this thread.
Water change weekly to fortnightly, no longer than a fortnight.