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RockyBoy

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Everything posted by RockyBoy

  1. I would like to suggest further reading by some experts at this site. Calcium/carbonate best describe in the 'Marble Analogy' Understading Calcium and Alkalinity Cheers
  2. The size of the chiller only helps to speed up the cooling process, the bigger the size, the faster the water reaches the setpoint temperature. It is good to get the correct size of the chiller so that the chiller will not underwork nor overwork. The amount of electricity consumption is greatly depend on the heatload absorbed by the water due to the lights and pumps and also the efficiency of the chiller.
  3. Is it this type? Skimmer
  4. RockyBoy

    DIY Light

    Hope it's a metal trunking. If plastic trunking, not sure it can take the heat.
  5. after u turn left at kelantan lane, the 3rd shop.
  6. 1. Roidan 120snails at $100 2. Roidan 2 large packets of sea lettuce at $20 3. Nic a Jon 24 snails 4. Bwilly 24 snails 5 hoppinghippos 12 snails 6. planetG 12 snails 7. strat 12 snails 8. Weileong 60 snails at $50 9. Weileong 1 large packets of sea lettuce at $10 10 ah^siao 12 snails @ $10 11 ah^siao 1 large packet of sea lettuce at $10 12. RockyBoy 12 snails @$10 packet of sea lettuce @$10
  7. I've checked the schematic and if the 240V/12V step down transformer is earthed at the 240V side. It would be very safe. For those who wants to commercialised their DIY products, I'll support them for their interest. Don't get easily discouraged by negative comment. It is part & parcel of being an entrepenuer. Anyway, treat this comments as constructive feedback to improve on your design further. Cheers to those DIYers
  8. RockyBoy

    check valve

    Smart method.... Thanks..will do it right away..
  9. I have f/2 fertilser for phyto cultures. Bought Mass pack. I have to mix them and get about 3 liters. Anybody needs the F/2, let me know. Mixing it today. I only need 1 litre only. Would sell the other 2 litres very cheap . Or may be 500ml per bottle (max 4). PM me. Thanks.
  10. I bought the starter's kit "u Grow" at $35 at Reb**n. But the fertiliser too little. Have to wait 2 weeks for next shipment arrive. I think order direct from Florida Farm is cheaper. Bought the mass micro algae grow. Good if you can grow the algae in coke bottle, with the rigid airline tube. Bought the airline tubes from kallang fish shop in front of boon keng mrt. I bought all of rigid airline tube. The shop has to restock again.
  11. What would be the price like? Hope dun cost a bomb
  12. Where can get nice cheap MH lightings? Pendant or hood type?
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