ro

Hi all, Finally cycled my tank! Took about 5 weeks but I'm now there. Water in my area is very hard. Details follow: 113 mg/l as calcium 19.755 Clarke 15.82 German I can purchase RO water from my LFS. What ratio tap water to RO water should I use if I want to keep Cardinal Tetra. I also need...

Hi Guys,   So basically I have been impatient and made a mistake. 4 weeks ago I filled my empty tank with RO water and rasied the Kh to 4 and then began the cycling process. My tank is fully cycled and ready for fish as of yesterday, (I tested the Nitrate, Nitrite and Ammonia levels). And so I...

Equipment: Set of water containers - 3 large (25litre) and 1 small (apprx 5 litre). Age and condition: about 5 years old. bit grubby, but otherwise in excellent condition. Only used with RO water. Quantity for sale: for sale as a single set Reason for Sale: no longer needed (downsizing) Delivery...

Hello All - I'm new here. We have just bought a couple of nano tanks and we are both lucky enough to work in laboratories. This gives us unfettered access to grade II laboratory RO/DI water and water test kits, which is good given our local water isn't ideal for tropical tanks. We'd like to do...