Recent content by Dr.Rock

The instructions says mix 100 grams of iodine-free salt into 1 litre of water, for every pack (250 ml) of Nitratex. Then soak the resin in the salt solution for two days, frequently turning it over and kneeding it. I personally include an airstone to make sure the salt solution mixes well and...

Is an airstone necessary at the end of an airline (in uplift tube) for an under-gravel filter? Or can I do without the airstone and just have large bubbles coming out from it? I thoough the airstone may restrict the airflow and therefore lower the water flowrate through the gravel. Is there...

Would this be 16 (or 20) inches just of water height, or also including depth of gravel and space at top? Sorry for asking this detail, but I need to make sure I get this right first time. :) Thanks.

I'm looking for a new tank, and would like to include angel fish. Can some please recommend a minimum tank height? I want to consider how large angels grow and take into account the length of the vertical fins adding to the height of the fish. Thanks

Hi all, I'm new to this forum, and it's great to see a community where we can exchange tips and advice. I recently bought the JBL NitratEX nitrate removal resin for my tripical tank, and it works a treat. I have a question about recharging it. The instructions say oo simply leave the bag in...