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I use 4dKH solution, bought from one of our sponsers. To this i add 4 drops of JBL CO2 plus pH solution. I change it say every 10 days. My question, is this correct. As im presently tackling BBA, i want to be sure, im doing the right thing. Thank you.

Just about to order my converter, so i can move over from disposable, to my 3kg refillable bottle.using my existing gauges Ive looked at several threads on the subject, and it appears i must have a special type of washer. IS THIS TRUE ?? Does this fit between the converter and the...

My system has been running for 3 months now, and all is fine. Are there any early warning signs of when the CO2 is running out. I have a 600g disposable cylinder from Machine Mart.

In order to improve the distribution of my pressurised CO2, im looking at adding a second diffuser. As the stem plants continue to grow, i find it harder to reach all the plants. Apart from the obvious drawback of the visual one,are there any other reasons not to try it. Ive considered putting...

My Solenoid valve does not shut off completley.It allows one bubble every 9 secs to get through. Whilst this is not a major problem, I assume the only solution is replacement, Is this correct. The pressure on the gauge was about 2 , ive reduced it to say 1, to see if it helped. but no improvement.

Not sure what people use out there. However Ive find a bottle holder fitted to bikes is ideal. I got a cheap Aluminum one from, wheelies_direct , on ebay for £3.99 including p&p